[Rivet] Validation & tuning phone meeting, Monday 29th Sept, 4pm (UK)

[Andy Buckley]

Hi everyone,

Our next Rivet etc. phone meeting will take place on Monday at 2pm (UK
time). Note that it's earlier than last week - this will be the normal
time from now on.

Once again, we'll be using the DESY phone conference system: phone

+49 40 8998 1390

then enter conference code 74838 ("rivet") followed by #.